package com.example.leetdemo.process;

public class Solution450 {

    class TreeNode {
        int val;
        TreeNode left;
        TreeNode right;
        TreeNode() {}
        TreeNode(int val) { this.val = val; }
        TreeNode(int val, TreeNode left, TreeNode right) {
        this.val = val;
        this.left = left;
        this.right = right;
        }
    }

    public TreeNode deleteNode(TreeNode root, int key) {

        return root;
    }

    public static void main(String[] args) {
        System.err.println("你試".compareTo("你试"));
    }

}
